| Anchor |
|---|
| Running Network Discovery |
|---|
| Running Network Discovery |
|---|
|
A primary application for NetMRI is discovering the network and all its infrastructure devices.
...
| Note |
|---|
|
You can change discovery settings at any time either through the Setup Wizard (Settings icon –> Setup –> Setup Wizard) or through individual Settings pages (such as Settings icon –> Setup –> Discovery Settings). You can also flexibly define discovery blackouts at the network, discovery range, device group, and device level to prevent discovery protocols and traffic from occupying network bandwidth at inopportune times, such as latency-sensitive trading or video applications operating during daytime hours. For information, see Configuring Network Discovery Settings and Defining Blackout Periods. |
...
- For an OC deployment managing a single large network, you will see multiple entries in the pages under the Settings icon –> Setup –> Discovery Settings for selectable network views. The entire network is assigned to a single network view. However, each network view entry is identified through the association of each Collector. This allows you to edit discovery settings for each Collector in the same network view.
- Multi-Network Operations Center deployments automatically assign each managed network to a new Network View. Each network view is named based upon the original network name.
- Multi-Network Operations Center deployments automatically define a new set of device groups for each managed network, along with the standard set of device groups. These network-specific device groups are named using the original network name as a prefix.
- During the upgrade, a Multi-Network OC deployment creates a series of new network views, each of which corresponds to the networks managed under the prior software release. Each device listed in Network Explorer tables provides a link under a new Network View column, which opens the Network Viewer window. This window lists all devices that are members of the network view.
- In Multi-Network Operations Center deployments, discovery settings for each network, such as CIDR discovery ranges and seed routers, are automatically associated to the network views for each managed network, that use each of the respective discovery settings.
The following section, Discovery with a New NetMRI Deployment, describes the sequence of high-level tasks you perform to configure and run discovery on your network.
...
- If necessary, install your NetMRI appliance or appliances. For more information, see the Infoblox Installation Guide for your NetMRI appliances. Ensure that you have the full feature licensing and device licensing entitlements for your deployment. For more information, see Understanding Platform Limits, Licensing Limits, and Effective Limits. If you are upgrading your NetMRI installation, check the installation instructions in the Release Notes for your software (and see the section below, Discovery with an Existing NetMRI Platform.
Also, read the section Preparing for NetMRI VRF Access for information on checking and configuring VRF-aware devices to which NetMRI will connect for managing virtual networks. - Configure your first network views for network management.
For new installations, NetMRI automatically provides an initial network view, named Network 1, as part of the initial setup. For the initial discovery of the network, you may only need this first network view. For more information, see Configuring Network Views. - You combine network views with scan interfaces to separate and manage networks. For new installations, the Network 1 network view is automatically bound to your appliance's LAN1 port. This may be the only interface you need for initial network discovery. This interface connects to the router through which NetMRI begins to discover the network. For more information, see Configuring Scan Interfaces.
- Configure your discovery settings. They include discovery IP address ranges, possible static IP addresses of devices you explicitly want to discover in your networks, a seed router for network discovery and possible device hints to improve odds of finding devices. The seed router might be, for example, the router to which NetMRI first connects for the discovery of the network. For more information, see the sections Configuring Discovery Ranges, Specifying Static IPs, Adding Seed Routers, Configuring CISCO APIC, and Adding Device Hints.
- Add the necessary device SNMP credentials, and CLI admin login and Enable password credentials. For more information, see Adding and Editing Device Credentials and its various sections. You can also add and test credentials for individual devices; for more information, see Adding and Testing SNMP Credentials for a Device.
- Associate discovery settings to network views. Add your discovery settings from Step 4 to the network views and begin to discover the network. Initial discovery of your networks begins automatically after the discovery ranges and other discovery settings, such as a seed router, are added to the network view, which also must have a scan interface connection. For more information, see Discovery Using Network Views.
- Watch data collection. Network data collection and virtual network detection take place during your initial network discovery, which begins automatically when the network connection is established from NetMRI, to the network to be discovered. Perform the following to view discovered information about your network:
- View summaries of discovery events: Click the All Devices device group in the right panel, and open the Network Explorer –> Discovery page to see a table of all devices being discovered by NetMRI. For more information about the features on this page, see Viewing and Managing Discovery Results.
- View a list of devices your appliance has recently discovered: Click the All Devices device group in the right panel, and open the Network Explorer –> Inventory page to see tables of all member devices. For more information about the features on this page, see Viewing Network Inventory.
- View summaries of recently discovered network phenomena: Includes summary information of routed networks, VLANs, route targets, and virtual networks (VRFs). For more information about the features on this page, see Summarizing Network Topologies.
- Map virtual networks. If your network has virtual networks, NetMRI automatically discovers them on the devices where they are configured, and alerts you through System Health banner messages at the top of the screen to map those VRF-aware devices to the network views where they belong. By mapping each virtual network to network views, you provide more information to the discovery process. For more information, see Mapping Virtual Networks to Network Views.
...
| Anchor |
|---|
| Viewing Device Discovery Status and Re-Discovering a Device |
|---|
| Viewing Device Discovery Status and Re-Discovering a Device |
|---|
|
Viewing Device Discovery Status and Re-Discovering a DeviceTo view discovery status for any device, open the Device Viewer by navigating to Network Explorer -> Discovery and clicking a device link, or Device Viewer -> Settings & Status –> Management Status. You will see the Management Status for the device. This is an important block of information that immediately describes the effectiveness of communications to the device by NetMRI.
...
